Masanori Ishikawa

Masanori Ishikawa
Born: January 22, 1980
Akita, Akita JP
Primary Position: Pitcher
All Position(s) Played: RF
Bats: Left
Throws: Left
Height: 5'6"
Weight: 152
Career: 2002-2025

Masanori Ishikawa compiled a career record of 186 wins and 188 losses and a 3.92 ERA in his 537-game pitching career with the Yakult Swallows and Tokyo Yakult Swallows. He began playing during the 2002 season and last took the field during the 2025 campaign.

Yakult Swallows

Tokyo Yakult Swallows

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Pitching:

Year	Level	Lg	Team	W	L	W%	ERA	G	GS	GF	CG	SHO	IP	H	R	ER	HR	BB	IBB	SO	HBP	BK	WP	BF
2002	Foreign Major	JPCL	Yakult Swallows	12	9	.571	3.33	29	28	0	2	0	178.3	183	76	66	20	29	2	104	2	3	5	735
2003	Foreign Major	JPCL	Yakult Swallows	12	11	.522	3.79	30	30	0	3	0	190.0	201	88	80	21	33	4	97	7	1	3	793
2004	Foreign Major	JPCL	Yakult Swallows	11	11	.500	4.35	27	27	0	1	0	163.3	200	90	79	21	22	2	72	5	1	4	708
2005	Foreign Major	JPCL	Yakult Swallows	10	8	.556	4.87	26	25	0	0	0	149.7	180	82	81	18	24	1	105	4	0	7	637
2006	Foreign Major	JPCL	Tokyo Yakult Swallows	10	10	.500	4.53	29	28	0	0	0	151.0	191	82	76	12	17	1	81	3	0	4	648
2007	Foreign Major	JPCL	Tokyo Yakult Swallows	4	7	.364	4.38	26	15		3	2	96.7	104	51	47	15	16	2	50	5	0	2	405
2008	Foreign Major	JPCL	Tokyo Yakult Swallows	12	10	.545	2.68	30	29		3	1	195.0	180	59	58	21	41	2	112	4	0	2	792
2009	Foreign Major	JPCL	Tokyo Yakult Swallows	13	7	.650	3.54	29	29		3	0	198.3	203	81	78	25	28	3	84	6	0	4	810
2010	Foreign Major	JPCL	Tokyo Yakult Swallows	13	8	.619	3.53	28	28	0	2	1	186.3	209	81	73	20	27	1	98	7	0	9	783
2011	Foreign Major	JPCL	Tokyo Yakult Swallows	10	9	.526	2.73	27	27	0	1	0	178.3	168	57	54	18	42	2	127	5	0	1	731
2012	Foreign Major	JPCL	Tokyo Yakult Swallows	8	11	.421	3.60	27	27	0	2	1	172.7	175	77	69	14	41	2	100	5	0	4	721
2013	Foreign Major	JPCL	Tokyo Yakult Swallows	6	9	.400	3.52	24	24	0	2	0	148.3	149	73	58	15	33	1	85	6	1	6	623
2014	Foreign Major	JPCL	Tokyo Yakult Swallows	10	10	.500	4.75	27	27	0	2	2	165.0	181	97	87	20	49	1	101	6	0	2	725
2015	Foreign Major	JPCL	Tokyo Yakult Swallows	13	9	.591	3.31	25	25	0	1	1	146.7	150	59	54	16	28	1	90	3	0	3	598
2016	Foreign Major	JPCL	Tokyo Yakult Swallows	8	8	.500	4.47	20			0	0	116.7	126	59	58	15	33	1	52	2	1	3	500
2017	Foreign Major	JPCL	Tokyo Yakult Swallows	4	14	.222	5.11	23	23	0	0	0	123.3	149	72	70	18	28	2	88	4	1	2	540
2018	Foreign Major	JPCL	Tokyo Yakult Swallows	7	6	.538	4.88	22			0	0	110.7	121	70	60	19	41	1	78	4	0	2	488
2019	Foreign Major	JPCL	Tokyo Yakult Swallows	8	6	.571	3.84	23			0	0	124.3	117	57	53	18	26	2	88	4	1	2	514
2020	Foreign Major	JPCL	Yakult Swallows	2	8	.200	4.48	15			0	0	76.3	85	40	38	7	19	2	41	2	0	2	331
2021	Foreign Major	JPCL	Yakult Swallows	4	5	.444	3.07	17			1	0	82.0	81	31	28	10	16	1	54	3	0	1	335
2022	Foreign Major	JPCL	Yakult Swallows	6	4	.600	4.50	16			0	0	84.0	93	45	42	16	15	2	39	3	0	1	357
2023	Foreign Major	JPCL	Yakult Swallows	2	5	.286	3.98	13			0	0	63.3	75	32	28	11	6	0	22	0	0	1	267
2024	Foreign Major	JPCL	Yakult Swallows	1	4	.200	4.10	9			1	1	37.3	45	20	17	4	6	0	10	1	0	1	161
2025	Foreign Major	JPCL	Yakult Swallows	2	4	.333	8.13	8			0	0	27.7	42	28	25	3	9	1	9	2	0	0	134
Totals				186	188	.497	3.92	537	392	0	27	9	3102.0	3333	1475	1351	366	623	37	1765	93	9	70	13069

Batting:

Year	Level	Lg	Team	GP	PA	AB	R	H	2B	RBI	BB	SO	BA	OBP	SLG	OPS	TB	DP	HBP	SH
2002	Foreign Major	JPCL	Yakult Swallows	30	62	55	2	9	0	2	0	17	.164	.164	.164	.327	9	0	0	7
2003	Foreign Major	JPCL	Yakult Swallows	32	73	63	4	14	1	4	0	18	.222	.234	.238	.472	15	0	1	9
2004	Foreign Major	JPCL	Yakult Swallows	29	59	50	3	10	1	4	0	20	.200	.216	.220	.436	11	0	1	8
2005	Foreign Major	JPCL	Yakult Swallows	26	49	47	4	8	0	3	0	13	.170	.170	.170	.340	8	0	0	2
2006	Foreign Major	JPCL	Tokyo Yakult Swallows	31	52	44	2	3	0	0	1	17	.068	.089	.068	.157	3	0	0	7
2007	Foreign Major	JPCL	Tokyo Yakult Swallows	27	24	22	1	6	0	2	1	4	.273	.304	.273	.577	6	0	0	1
2008	Foreign Major	JPCL	Tokyo Yakult Swallows	31	64	53	2	9	1	3	1	15	.170	.185	.189	.374	10	0	0	10
2009	Foreign Major	JPCL	Tokyo Yakult Swallows	30	66	52	3	8	0	0	1	17	.154	.170	.154	.324	8	1	0	13
2010	Foreign Major	JPCL	Tokyo Yakult Swallows	29	67	55	3	8	1	5	5	17	.145	.217	.164	.380	9	0	0	7
2011	Foreign Major	JPCL	Tokyo Yakult Swallows	27	58	46	2	5	0	1	2	13	.109	.146	.109	.255	5	0	0	10
2012	Foreign Major	JPCL	Tokyo Yakult Swallows	27	56	47	4	10	0	0	0	8	.213	.213	.213	.426	10	0	0	9
2013	Foreign Major	JPCL	Tokyo Yakult Swallows	24	46	38	1	6	0	1	1	11	.158	.179	.158	.337	6	0	0	7
2014	Foreign Major	JPCL	Tokyo Yakult Swallows	27	56	44	2	9	0	2	1	15	.205	.222	.205	.427	9	1	0	11
2015	Foreign Major	JPCL	Tokyo Yakult Swallows	25	47	38	2	7	0	1	2	13	.184	.225	.184	.409	7	1	0	7
2016	Foreign Major	JPCL	Tokyo Yakult Swallows	20	39	34	0	1	0	0	1	12	.029	.057	.029	.087	1	1	0	4
2017	Foreign Major	JPCL	Tokyo Yakult Swallows	23	36	29	0	1	0	2	0	11	.034	.034	.034	.069	1	0	0	7
2018	Foreign Major	JPCL	Tokyo Yakult Swallows	22	39	31	2	2	0	0	2	9	.065	.121	.065	.186	2	0	0	6
2019	Foreign Major	JPCL	Tokyo Yakult Swallows	23	41	34	3	8	0	4	1	8	.235	.257	.235	.492	8	0	0	6
2020	Foreign Major	JPCL	Yakult Swallows	15	27	24	0	1	0	0	1	9	.042	.080	.042	.122	1	0	0	2
2021	Foreign Major	JPCL	Yakult Swallows	17	25	18	1	4	0	1	1	5	.222	.263	.222	.485	4	0	0	6
2022	Foreign Major	JPCL	Yakult Swallows	16	26	20	0	2	0	0	2	3	.100	.182	.100	.282	2	0	0	4
2023	Foreign Major	JPCL	Yakult Swallows	13	16	12	0	3	0	0	0	3	.250	.250	.250	.500	3	0	0	4
2024	Foreign Major	JPCL	Yakult Swallows	9	12	9	0	1	0	0	0	4	.111	.111	.111	.222	1	0	0	3
2025	Foreign Major	JPCL	Yakult Swallows	8	11	11	0	1	0	0	0	4	.091	.091	.091	.182	1	0	0	0
Totals				548	1035	864	41	133	4	35	23	263	.154	.178	.159	.336	137	4	2	146

Fielding:

Year	Level	Lg	Team	Pos	GP	PO	A	E	DP	Fld%	RF/G
2002	Foreign Major	JPCL	Yakult Swallows	P	29						.000
2003	Foreign Major	JPCL	Yakult Swallows	P	30						.000
2004	Foreign Major	JPCL	Yakult Swallows	P	27						.000
2005	Foreign Major	JPCL	Yakult Swallows	P	26	8	24	0	3	1.000	1.231
2006	Foreign Major	JPCL	Tokyo Yakult Swallows	P	29	14	28	1	0	.977	1.448
2007	Foreign Major	JPCL	Tokyo Yakult Swallows	P	26	10	25	0	3	1.000	1.346
2008	Foreign Major	JPCL	Tokyo Yakult Swallows	P	30	9	34	1	1	.977	1.433
2009	Foreign Major	JPCL	Tokyo Yakult Swallows	P	29	11	34	0	3	1.000	1.552
2010	Foreign Major	JPCL	Tokyo Yakult Swallows	P	28	10	36	1	3	.979	1.643
2010	Foreign Major	JPCL	Tokyo Yakult Swallows	RF	1						.000
2011	Foreign Major	JPCL	Tokyo Yakult Swallows	P	27	8	34	3	1	.933	1.556
2012	Foreign Major	JPCL	Tokyo Yakult Swallows	P	27	11	27	1	2	.974	1.407
2013	Foreign Major	JPCL	Tokyo Yakult Swallows	P	24	6	35	2	1	.953	1.708
2014	Foreign Major	JPCL	Tokyo Yakult Swallows	P	27	3	37	0	1	1.000	1.481
2015	Foreign Major	JPCL	Tokyo Yakult Swallows	P	25	16	21	0	0	1.000	1.480
2016	Foreign Major	JPCL	Tokyo Yakult Swallows	P	20	9	22	0	0	1.000	1.550
2017	Foreign Major	JPCL	Tokyo Yakult Swallows	P	23	5	23	0	0	1.000	1.217
2018	Foreign Major	JPCL	Tokyo Yakult Swallows	P	22	7	14	1	2	.955	.955
2019	Foreign Major	JPCL	Tokyo Yakult Swallows	P	23	4	20	0	0	1.000	1.043
2020	Foreign Major	JPCL	Yakult Swallows	P	15	4	18	0	2	1.000	1.467
2021	Foreign Major	JPCL	Yakult Swallows	P	17	5	11	0	1	1.000	.941
2022	Foreign Major	JPCL	Yakult Swallows	P	16	3	15	0	2	1.000	1.125
2023	Foreign Major	JPCL	Yakult Swallows	P	13	1	9	1	0	.909	.769
2024	Foreign Major	JPCL	Yakult Swallows	P	9	2	6	1	1	.889	.889
2025	Foreign Major	JPCL	Yakult Swallows	P	8	0	3	1	1	.750	.375
Totals					507	138	434	12	23	.979	1.128

Minor League Service:

Year	Level	League	Team	First Appearance	Final Appearance
2002	Foreign Major	Japan Central League	Yakult Swallows
2003	Foreign Major	Japan Central League	Yakult Swallows
2004	Foreign Major	Japan Central League	Yakult Swallows
2005	Foreign Major	Japan Central League	Yakult Swallows
2006	Foreign Major	Japan Central League	Tokyo Yakult Swallows
2007	Foreign Major	Japan Central League	Tokyo Yakult Swallows
2008	Foreign Major	Japan Central League	Tokyo Yakult Swallows
2009	Foreign Major	Japan Central League	Tokyo Yakult Swallows
2010	Foreign Major	Japan Central League	Tokyo Yakult Swallows	March 26, 2010	September 28, 2010
2011	Foreign Major	Japan Central League	Tokyo Yakult Swallows	April 12, 2011	October 15, 2011
2012	Foreign Major	Japan Central League	Tokyo Yakult Swallows	March 30, 2012	October 5, 2012
2013	Foreign Major	Japan Central League	Tokyo Yakult Swallows	March 30, 2013	October 1, 2013
2014	Foreign Major	Japan Central League	Tokyo Yakult Swallows	March 29, 2014	September 25, 2014
2015	Foreign Major	Japan Central League	Tokyo Yakult Swallows	March 28, 2015	September 27, 2015
2016	Foreign Major	Japan Central League	Tokyo Yakult Swallows
2017	Foreign Major	Japan Central League	Tokyo Yakult Swallows	March 31, 2017	September 12, 2017
2018	Foreign Major	Japan Central League	Tokyo Yakult Swallows
2019	Foreign Major	Japan Central League	Tokyo Yakult Swallows
2020	Foreign Major	Japan Central League	Yakult Swallows
2021	Foreign Major	Japan Central	Yakult Swallows
2022	Foreign Major	Japan Central League	Yakult Swallows
2023	Foreign Major	Japan Central League	Yakult Swallows
2024	Foreign Major	Japan Central League	Yakult Swallows
2025	Foreign Major	Japan Central League	Yakult Swallows

Persons data from the Chadwick Baseball Bureau are Copyright Chadwick Baseball Bureau, and are made available under the Open Data Commons Attribution License.